radio: iris: Make changes to compatible with latest kernel

On latest kernel version, while registering with video device,
driver must send video device data.
Updated the driver changes compatible with latest kernel changes.

Change-Id: I01d47f509202bbbd2481f2a8d4cc74182e04b7df
Signed-off-by: Venkateshwarlu Domakonda <vdomak@codeaurora.org>